diff --git a/pyproject.toml b/pyproject.toml
index 8208e84..cd5e83d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ requires = ["hatchling"]
 
 [project]
 name = "chongming-worker"
-version = "0.4.3"
+version = "0.4.4"
 description = "chongming worker"
 readme = "README.md"
 requires-python = ">=3.12"
diff --git a/src/chongming_worker/runtime.py b/src/chongming_worker/runtime.py
index 168fe62..61ab40d 100644
--- a/src/chongming_worker/runtime.py
+++ b/src/chongming_worker/runtime.py
@@ -997,6 +997,9 @@ async def _managed_worker(
     """
     while True:
         controller.exit_request = ""
+        # control_event 为槽位级共享事件：上次 config_set/restart 置位后若不清除，
+        # 本次重建的副本会立即唤醒 exit_event.wait() 并以 stop 退出，导致副本数 -1。
+        controller.control_event.clear()
         controller.current_worker_id = controller.make_worker_id()
         controller.reload_cb = reload_cb
         # 若存在待应用的新配置（config_set 设置），本次重建使用新配置运行